ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2015
Identification and mapping of Sr46 from Aegilops tauschii accession CIae 25 conferring resistance to race TTKSK (Ug99) of wheat stem rust pathogen.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 34 citations in OpenAlex.
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- Harnessing primary, secondary and tertiary genepools for durable wheat disease resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Review
- Progress and innovations of gene cloning in wheat and its close relatives.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Review
- Comprehensive phenotyping and genotyping of a large diverse panel of the wheat wild relative,Frontiers in microbiology · 2025Article
- Review
- Advances in the Mining of Disease Resistance Genes fromPlants (Basel, Switzerland) · 2023Review
- Haplotype variants of Sr46 in Aegilops tauschii, the diploid D genome progenitor of wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Fine mapping of Pm58 from Aegilops tauschii conferring powdery mildew resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Characterization of synthetic wheat line Largo for resistance to stem rust.G3 (Bethesda, Md.) · 2021Article
- Variability in Physiological Traits Reveals Boron Toxicity Tolerance in Aegilops Species.Frontiers in plant science · 2021Article
- Genome-wide association reveals a complex architecture for rust resistance in 2300 worldwide bread wheat accessions screened under various Australian conditions.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Editorial:Frontiers in plant science · 2020Article
- Resistance gene cloning from a wild crop relative by sequence capture and association genetics.Nature biotechnology · 2019Article
- An Update of Recent Use ofFrontiers in plant science · 2019Article
- Inheritance and Bulked Segregant Analysis of Leaf Rust and Stem Rust Resistance in Durum Wheat Genotypes.Phytopathology · 2017Article
- Fine mapping of the stem rust resistance gene SrTA10187.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Development of a diagnostic co-dominant marker for stem rust resistance gene Sr47 introgressed from Aegilops speltoides into durum wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Recent trends and perspectives of molecular markers against fungal diseases in wheat.Frontiers in microbiology · 2015Review
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageMapping studies confirm that resistance to Ug99 race of stem rust pathogen in Aegilops tauschii accession Clae 25 is conditioned by Sr46 and markers linked to the gene were developed for marker-assisted selection. The race TTKSK (Ug99) of Puccinia graminis f. sp. tritici, the causal pathogen for wheat stem rust, is considered as a major threat to global wheat production. To address this threat, researchers across the world have been devoted to identifying TTKSK-resistant genes. Here, we report the identification and mapping of a stem rust resistance gene in Aegilops tauschii accession CIae 25 that confers resistance to TTKSK and the development of molecular markers for the gene. An F2 population of 710 plants from an Ae. tauschii cross CIae 25 × AL8/78 were first evaluated against race TPMKC. A set of 14 resistant and 116 susceptible F2:3 families from the F2 plants were then evaluated for their reactions to TTKSK. Based on the tests, 179 homozygous susceptible F2 plants were selected as the mapping population to identify the simple sequence repeat (SSR) and sequence tagged site (STS) markers linked to the gene by bulk segregant analysis. A dominant stem rust resistance gene was identified and mapped with 16 SSR and five new STS markers to the deletion bin 2DS5-0.47-1.00 of chromosome arm 2DS in which Sr46 was located. Molecular marker and stem rust tests on CIae 25 and two Ae. tauschii accessions carrying Sr46 confirmed that the gene in CIae 25 is Sr46. This study also demonstrated that Sr46 is temperature-sensitive being less effective at low temperatures. The marker validation indicated that two closely linked markers Xgwm210 and Xwmc111 can be used for marker-assisted selection of Sr46 in wheat breeding programs.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.